Patent US3297760A successfully refreshed from Google Patents.
US3297760A
Expired / Lapsed
US
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Para amino-nu-ethyl-nu-beta-hydroxy-ethyl-meta toluidine mono-nitrate and di-nitrate nd methods of producing same
Assignee: Fairmount Chemical Co Inc
•
Filing: 1962-05-14
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Granted: 1967-01-10
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Expires: 1982-05-14
Abstract
No abstract record available.
Inventors
- 👤 Hessert Frederick Von
- 👤 Binzer Ignaz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:08
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/30; G03C7/407; G03C7/413; G03C7/4136
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
AS A COMPOUND, PARA AMINO-N-ETHYL-N-BETA-HYDROXY-ETHYL-META TOLUIDINE NITRATE.
Claim 2
Dependent Claim
7 words
AS A COMPOUND, PARA AMINO-N-ETHYL-N-BETA-HYDROXY-ETHYL-META TOLUIDINE NITRATE.
References Cited (Backward Citations)
US2432023A
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US2516107A
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US2552354A
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US2704721A
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US2776993A
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US2943109A
Cited
US3047389A
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US3062647A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |